diff --git a/xmtp_mls/migrations/2024-12-18-170645_add_dm_id/down.sql b/xmtp_mls/migrations/2024-12-18-170645_add_dm_id/down.sql
index 22bd9bbd8..d55d28698 100644
--- a/xmtp_mls/migrations/2024-12-18-170645_add_dm_id/down.sql
+++ b/xmtp_mls/migrations/2024-12-18-170645_add_dm_id/down.sql
@@ -1,5 +1,3 @@
-ALTER TABLE groups DROP COLUMN dm_id;
 ALTER TABLE groups DROP COLUMN last_message_ns;
-ALTER TABLE groups ADD COLUMN dm_inbox_id TEXT;
 
 DROP TRIGGER IF EXISTS msg_inserted;
diff --git a/xmtp_mls/migrations/2024-12-18-170645_add_dm_id/up.sql b/xmtp_mls/migrations/2024-12-18-170645_add_dm_id/up.sql
index 88de8b3cc..7a88cb3fa 100644
--- a/xmtp_mls/migrations/2024-12-18-170645_add_dm_id/up.sql
+++ b/xmtp_mls/migrations/2024-12-18-170645_add_dm_id/up.sql
@@ -1,19 +1,4 @@
-ALTER TABLE groups ADD COLUMN dm_id TEXT;
-ALTER TABLE groups ADD COLUMN last_message_ns BIGINT NOT NULL DEFAULT (created_at_ns);
-
--- Fill the dm_id column
-UPDATE groups
-SET dm_id = 'dm:' ||
-    LOWER(
-        CASE
-            WHEN LOWER((SELECT inbox_id FROM identity)) < LOWER(dm_inbox_id)
-            THEN (SELECT inbox_id FROM identity) || ':' || dm_inbox_id
-            ELSE dm_inbox_id || ':' || (SELECT inbox_id FROM identity)
-        END
-    )
-WHERE dm_inbox_id IS NOT NULL;
-
-ALTER TABLE groups REMOVE COLUMN dm_inbox_id;
+ALTER TABLE groups ADD COLUMN last_message_ns BIGINT NOT NULL DEFAULT (strftime('%s', 'now') * 1000000000);
 
 -- Create a trigger to auto-update group table on insert
 CREATE TRIGGER msg_iserted
diff --git a/xmtp_mls/src/storage/encrypted_store/group.rs b/xmtp_mls/src/storage/encrypted_store/group.rs
index fabb67b9b..7ccf2b97a 100644
--- a/xmtp_mls/src/storage/encrypted_store/group.rs
+++ b/xmtp_mls/src/storage/encrypted_store/group.rs
@@ -37,12 +37,12 @@ pub struct StoredGroup {
     pub added_by_inbox_id: String,
     /// The sequence id of the welcome message
     pub welcome_id: Option<i64>,
+    /// The inbox_id of the DM target
+    pub dm_inbox_id: Option<String>,
     /// The last time the leaf node encryption key was rotated
     pub rotated_at_ns: i64,
     /// Enum, [`ConversationType`] signifies the group conversation type which extends to who can access it.
     pub conversation_type: ConversationType,
-    /// The inbox_id of the DM target
-    pub dm_id: Option<String>,
     /// Timestamp of when the last message was sent for this group (updated automatically in a trigger)
     pub last_message_ns: i64,
 }
@@ -59,7 +59,7 @@ impl StoredGroup {
         added_by_inbox_id: String,
         welcome_id: i64,
         conversation_type: ConversationType,
-        dm_id: Option<String>,
+        dm_inbox_id: Option<String>,
     ) -> Self {
         Self {
             id,
@@ -70,7 +70,7 @@ impl StoredGroup {
             added_by_inbox_id,
             welcome_id: Some(welcome_id),
             rotated_at_ns: 0,
-            dm_id,
+            dm_inbox_id,
             last_message_ns: now_ns(),
         }
     }
@@ -81,21 +81,21 @@ impl StoredGroup {
         created_at_ns: i64,
         membership_state: GroupMembershipState,
         added_by_inbox_id: String,
-        dm_id: Option<String>,
+        dm_inbox_id: Option<String>,
     ) -> Self {
         Self {
             id,
             created_at_ns,
             membership_state,
             installations_last_checked: 0,
-            conversation_type: match dm_id {
+            conversation_type: match dm_inbox_id {
                 Some(_) => ConversationType::Dm,
                 None => ConversationType::Group,
             },
             added_by_inbox_id,
             welcome_id: None,
             rotated_at_ns: 0,
-            dm_id: dm_id,
+            dm_inbox_id,
             last_message_ns: now_ns(),
         }
     }
@@ -116,7 +116,7 @@ impl StoredGroup {
             added_by_inbox_id: "".into(),
             welcome_id: None,
             rotated_at_ns: 0,
-            dm_id: None,
+            dm_inbox_id: None,
             last_message_ns: now_ns(),
         }
     }
diff --git a/xmtp_mls/src/storage/encrypted_store/schema.rs b/xmtp_mls/src/storage/encrypted_store/schema.rs
index 083aa7329..225cbbbe0 100644
--- a/xmtp_mls/src/storage/encrypted_store/schema.rs
+++ b/xmtp_mls/src/storage/encrypted_store/schema.rs
@@ -55,7 +55,6 @@ diesel::table! {
         dm_inbox_id -> Nullable<Text>,
         rotated_at_ns -> BigInt,
         conversation_type -> Integer,
-        dm_id -> Nullable<Text>,
         last_message_ns -> BigInt,
     }
 }